A circle can be sad.Logical formLearned from7 sentences. Countenances can be sad.Logical formLearned from7 sentences. A monotony can be sad.Logical formLearned from7 sentences. A gravity can be sad.Logical formLearned from7 sentences. A burden can be sad.Logical formLearned from7 sentences. A cousin can be sad.Logical formLearned from7 sentences. A person may have sad eyes.Logical formLearned from7 sentences. Trees may look sad.Logical formLearned from7 sentences. Images can be sad.Logical formLearned from7 sentences. A harmony can be sad.Logical formLearned from7 sentences. A sister can be sad.Logical formLearned from7 sentences. Women can be sad.Logical formLearned from7 sentences. A circus can be sad.Logical formLearned from7 sentences. A fashion can be sad.Logical formLearned from7 sentences. A loss can be sad.Logical formLearned from7 sentences.